--- a/src/ai/api/ai_town.cpp	Tue Mar 20 11:42:07 2007 +0000
+++ b/src/ai/api/ai_town.cpp	Tue Mar 20 11:55:30 2007 +0000
@@ -18,7 +18,7 @@
 	return ::GetNumTowns();
 }
 
-bool AITown::IsValidTown(TownID town_id)
+/* static */ bool AITown::IsValidTown(TownID town_id)
 {
 	return ::IsValidTownID(town_id);
 }